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问题 填空题
函数y=
1
2
sin2x+sin2x，x∈R的值域是______．
答案

∵函数y=

1
2
sin2x+sin2x=
1
2
 sin2x+
1-cos2x
2
=
1
2
+
2
2
（
2
2
sin2x+
2
2
cos2x）

=

1
2
+
2
2
sin（2x-
π
4
），∵-1≤sin（2x-
π
4
）≤1，∴-
2
2
≤
2
2
sin（2x-
π
4
）≤
2
2
，

∴

1
2
-
2
2
≤y≤
1
2
+
2
2
，

故函数的值域为  [-

2
2
+
1
2
，
2
2
+
1
2
]，

故答案为 [-

2
2
+
1
2
，
2
2
+
1
2
]．

完形填空

The Browns are from England. They live in New York. Mr. Brown is a doctor. Mrs. Brown doesn’t work. She has a lot of housework to do every day. They have two sons. Bob is ten years old and Tom is eight years old. They are students. Bob doesn’t want to be a doctor but Tom does. Bob wants to be a pilot（飞行员）. Their daughter, Molly, doesn’t go to school. She is only four years old. Molly wants to be a teacher.

小题1:Do the Browns live in America now?

________________________________

小题2:What does Mr. Brown do?

________________________________

小题3:How many people are there in Brown’s family?

___________________________________
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单项选择题

实体法与程序法的划分标准是( )。

A．法的效力范围的不同

B．法的创制和表达形式的不同

C．法规定的具体内容的不同

D．法的创制与适用主体的不同
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